// JScript File
 function validateAlphaNumrc_Valid(obj)
        {
            var regex1 = /(^([a-z]|[A-Z]|[~,`,@,#,$,%,^,,&,*,(,),-,_,+,=,<,>,.,?,:,;,',",--])$)/; 
           // var regex2=/(^([0-9])$)/;
            var regex3=/(^([~,`,@,#,$,%,^,,&,*,(,),-,_,+,=,<,>,.,?,:,;])$)/;
            //regex1=regex1+regex3;
            var alphaFlag;
            var numFlag;
            var spCharFlag=-1;
            var  input=obj.value;
            for(i=0;i<input.length;i++)
            { 
                if(input.charAt(i).search(regex1)==0)
                {
                    spCharFlag=0;   
                }
            }
        
            if(spCharFlag==-1)
            {
                //alert('You have entered valid data');
                //obj.value="";
                return true;
            }
        alert('Enter valid user ID..!!'); 
        obj.value="";
        obj.focus();
        return false;
    }